# Question: The GPAs of all students enrolled at a large university

The GPAs of all students enrolled at a large university have an approximately normal distribution with a mean of 3.02 and a standard deviation of .29. Find the probability that the mean GPA of a random sample of 20 students selected from this university is

a. 3.10 or higher

b. 2.90 or lower

c. 2.95 to 3.11

a. 3.10 or higher

b. 2.90 or lower

c. 2.95 to 3.11

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